4 | | | | | | | | | | | 29 | | | | 2015 | | | | 8% 9.1% | 8.7% 8.4% 8. 3% | | | | | 7% | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |